refactor ♻️: Refactor task handling to use en_interfaces and add non-empty list condition

This commit refactors the task handling logic to utilize the `en_interfaces` module and includes a conditional check for non-empty lists, enhancing code readability and functionality.

tasks/main.yml

@@ -60,9 +60,10 @@
 
 - name: Check supported Wake-on-LAN modes
   ansible.builtin.shell: "ethtool {{ item }} | grep 'Supports Wake-on' | tail -1 | awk '{print $3}'"
-  loop: "{{ interfaces }}"
+  loop: "{{ en_interfaces }}"
   register: wol_supported
   changed_when: false
+  when: en_interfaces | length > 0
 
 - name: Display supported WoL modes
   ansible.builtin.debug: